Nasdaq · AGEN · stock
Agenus INC (AGEN) stock price history
Every Nasdaq trading session of Agenus INC from Feb 8, 2000 to Sep 28, 2026: 6,699 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
AGEN adjusted close, 2000 to 2026
- $6,197
- All time high, 2000
- $9.71
- 52 week high, $2.71 low
- 6,699
- Daily sessions since 2000
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
AGEN key facts
- Agenus INC (AGEN) closed at $9.43 on Sep 28, 2026 on Nasdaq.
- AGEN's all time high close is $6,197, set on Mar 9, 2000; its all time low close is $1.51 on Mar 31, 2025.
- AGEN's 52 week range is $2.71 to $9.71.
- AGEN returned +138.7% over the year to Sep 28, 2026 and -90.8% over five years.
- Over ten years AGEN returned -93%, -23.6% a year compounded.
- AGEN's deepest drawdown was -100.0% from Mar 9, 2000 to Mar 31, 2025.
- DataCedar holds 6,699 daily sessions of AGEN history from Feb 8, 2000 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
AGEN price chart, 2000 to 2026
AGEN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +23.1% |
| 3 months | +211.2% |
| 6 months | +178.2% |
| Year to date | +202.2% |
| 1 year | +138.7% |
| 3 years | -57.9% |
| 5 years | -90.8% |
| 10 years | -93.2% |
| Since Feb 8, 2000 | -99.8% |
| Compound annual growth, 26.6 years | -21.2% |
AGEN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $6,197 on Mar 9, 2000
- All time low close
- $1.51 on Mar 31, 2025
- 52 week high
- $9.71 on Sep 28, 2026
- 52 week low
- $2.71 on Feb 5, 2026
- Deepest drawdown
- -100.0% from Mar 9, 2000 to Mar 31, 2025, not yet recovered
- Best single session
- +82.7% on Jul 13, 2026
- Worst single session
- -58.8% on Jul 18, 2024
- Volatility, 1 year annualised
- 103.5%
- Sessions closing higher, 1 year
- 53%
- Best calendar year
- 2012, +105%
- Worst calendar year
- 2024, -83%
AGEN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2000 starts on Feb 8, 2000; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $3.18 | $9.71 | $2.71 | $9.43 | +200.3% | 362.2M | 185 |
| 2025 | $2.80 | $7.34 | $1.38 | $3.14 | +14.6% | 176.5M | 250 |
| 2024 | $16.80 | $19.69 | $2.50 | $2.74 | -83.5% | 160.6M | 252 |
| 2023 | $47.30 | $60.26 | $12.20 | $16.60 | -64.8% | 74.8M | 250 |
| 2022 | $64.18 | $68.50 | $24.53 | $47.11 | -25.5% | 58M | 251 |
| 2021 | $63.00 | $133.27 | $49.07 | $63.20 | +1.3% | 53.6M | 252 |
| 2020 | $80.08 | $110.50 | $35.72 | $62.41 | -21.9% | 32.9M | 253 |
| 2019 | $45.14 | $89.70 | $41.81 | $79.88 | +71.0% | 15.3M | 252 |
| 2018 | $64.57 | $121.49 | $30.23 | $46.71 | -27.0% | 19.7M | 251 |
| 2017 | $82.04 | $106.97 | $62.81 | $63.98 | -20.9% | 15M | 251 |
| 2016 | $88.32 | $147.01 | $51.23 | $80.86 | -9.3% | 15.5M | 252 |
| 2015 | $77.92 | $199.41 | $73.60 | $89.11 | +14.4% | 21.2M | 252 |
| 2014 | $52.01 | $103.43 | $44.55 | $77.92 | +50.4% | 9.4M | 252 |
| 2013 | $82.43 | $105.99 | $47.11 | $51.82 | -35.6% | 4.7M | 252 |
| 2012 | $39.84 | $145.44 | $39.25 | $80.47 | +105.0% | 2.2M | 250 |
| 2011 | $118.94 | $136.60 | $37.68 | $39.25 | -67.0% | 1M | 252 |
| 2010 | $75.37 | $202.55 | $70.66 | $118.94 | +57.8% | 2.4M | 252 |
| 2009 | $56.53 | $393.33 | $22.37 | $75.37 | +33.3% | 4.1M | 252 |
| 2008 | $239.06 | $459.27 | $45.93 | $56.53 | -76.5% | 553.7K | 253 |
| 2007 | $216.68 | $638.27 | $181.35 | $240.24 | +11.5% | 981.9K | 251 |
| 2006 | $555.84 | $850.25 | $162.51 | $215.51 | -61.6% | 739.4K | 251 |
| 2005 | $1,189 | $1,206 | $544.06 | $560.55 | -53.0% | 748.2K | 252 |
| 2004 | $1,372 | $1,467 | $531.11 | $1,192 | -10.8% | 1.2M | 252 |
| 2003 | $1,219 | $1,884 | $833.76 | $1,335 | +10.7% | 1M | 252 |
| 2002 | $1,955 | $1,987 | $777.23 | $1,206 | -37.6% | 468.2K | 252 |
| 2001 | $1,317 | $2,518 | $1,237 | $1,931 | +48.2% | 222.3K | 248 |
| 2000 | $6,197 | $7,066 | $1,178 | $1,303 | n/a | 282K | 227 |
AGEN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $9.43 | +23.9% |
| August 2026 | $7.61 | +1.5% |
| July 2026 | $7.50 | +145.1% |
| June 2026 | $3.06 | -12.6% |
| May 2026 | $3.50 | -10.5% |
| April 2026 | $3.91 | +17.1% |
| March 2026 | $3.34 | +0.3% |
| February 2026 | $3.33 | +17.3% |
| January 2026 | $2.84 | -9.6% |
| December 2025 | $3.14 | -31.1% |
| November 2025 | $4.56 | +14.9% |
| October 2025 | $3.97 | +3.1% |
About the AGEN data
Daily bars. 6,699 sessions from Feb 8, 2000 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 8, 2000, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/AGEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
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Common questions
AGEN share price history
